"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 多节点写入
Case Name   : 备机在触发器中执行INSERT/DELETE/UPDATE语句及DDL语句
Create At   : 2023/07/07
Owner       : opentestcase033
Description :
    1.修改enable_remote_execute参数值为on
    2.备机在触发器中执行INSERT/DELETE/UPDATE语句及DDL语句
    3.备机查看日志打印
    4.环境清理，恢复参数
Expect      :
    1.修改成功
    2.执行成功
    3.日志记录建立连接、转发给主机、接受执行结果等libpqsw信息
    4.环境清理成功，恢复参数成功
History     :
    modified: 2025/03/05 modified by kyleze,参数值变化,优化用例
"""
import os
import time
import unittest
from yat.test import Node
from yat.test import macro
from testcase.utils.Logger import Logger
from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant

PrimarySh = CommonSH('PrimaryDbUser')


@unittest.skipIf(1 == PrimarySh.get_node_num(),
                 'Single node, and subsequent codes are not executed.')
class MultiNodeWrite(unittest.TestCase):
    def setUp(self):
        self.logger = Logger()
        self.logger.info(f"-----{os.path.basename(__file__)} start-----")
        self.standby_node = Node('Standby1DbUser')
        self.standby_sh = CommonSH('Standby1DbUser')
        self.constant = Constant()
        self.common = Common('Standby1DbUser')
        self.tb_name1 = 't_multi_node_write_0024_1'
        self.tb_name2 = 't_multi_node_write_0024_2'
        self.func_name = 'func_multi_node_write_0024'
        self.trigger_name = 'trigger_multi_node_write_0024'
        self.new_log_dir = os.path.join(macro.PG_LOG_PATH,
                                        'pg_log_multi_node_write0024')
        self.enable_remote_execute = 'enable_remote_execute'
        self.log_statement = 'log_statement'
        self.log_directory = 'log_directory'
        self.remote_excute_default = self.common.show_param(
            self.enable_remote_execute)
        self.log_statement_default = self.common.show_param(self.log_statement)
        self.log_dir_default = self.common.show_param(self.log_directory)
        shell_cmd = f"rm -rf {self.new_log_dir}"
        self.logger.info(shell_cmd)
        shell_msg = self.common.get_sh_result(self.standby_node, shell_cmd)
        self.assertEquals('', shell_msg, '删除目录失败')

    def test_multi_node_write(self):
        step1 = "-----step1:修改enable_remote_execute参数值为on;expect:修改成功-----"
        self.logger.info(step1)
        result = self.standby_sh.execute_gsguc(
            'set', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.enable_remote_execute}=on')
        self.assertTrue(result, f'执行失败:{step1}')
        restart_res = self.standby_sh.restart_db_cluster()
        self.assertTrue(restart_res, f'执行失败:{step1}')
        show_remote_excute = self.common.show_param(self.enable_remote_execute)
        self.assertEquals(show_remote_excute, 'on', f'执行失败:{step1}')
        result = self.standby_sh.execute_gsguc('reload',
                                               self.constant.GSGUC_SUCCESS_MSG,
                                               f'{self.log_statement}=all')
        self.assertTrue(result, f'执行失败:{step1}')
        result = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f"{self.log_directory}='{self.new_log_dir}'", single=True)
        self.assertTrue(result, f'执行失败:{step1}')
        show_log_statement = self.common.show_param(self.log_statement)
        self.assertEquals(show_log_statement, 'all', f'执行失败:{step1}')
        show_log_directory = self.common.show_param(self.log_directory)
        self.assertEquals(show_log_directory, self.new_log_dir, f'执行失败:{step1}')

        step2 = "-----step2:备机在触发器中执行INSERT/DELETE/UPDATE语句及DDL语句;" \
                "expect:执行成功-----"
        self.logger.info(step2)
        sql_cmd = f'''drop table if exists {self.tb_name1};
            create table {self.tb_name1}(id int, name varchar(15));
            select pg_sleep(1);
            create or replace function {self.func_name}() returns trigger as 
            \\$\\$ 
            declare 
            begin 
                drop table if exists {self.tb_name2}; 
                create table {self.tb_name2} as select * from {self.tb_name1};
                update {self.tb_name2} set name='开发工程师' where id=2;
                delete from {self.tb_name2} where id=1;
            return new;
            end
            \\$\\$ language plpgsql;'''
        sql_msg = self.standby_sh.execut_db_sql(sql_cmd)
        self.logger.info(sql_msg)
        self.assertIn(self.constant.TABLE_DROP_SUCCESS,
                      sql_msg, f'执行失败:{step2}')
        self.assertIn(self.constant.CREATE_TABLE_SUCCESS,
                      sql_msg, f'执行失败:{step2}')
        self.assertIn(self.constant.CREATE_FUNCTION_SUCCESS_MSG,
                      sql_msg, f'执行失败:{step2}')
        time.sleep(3)
        sql_cmd = f'''drop trigger if exists {self.trigger_name} 
            on {self.tb_name1} cascade;
            create trigger {self.trigger_name} after insert on {self.tb_name1} 
            for each row execute procedure {self.func_name}();
            select pg_sleep(10);
            insert into {self.tb_name1} values(1, '软件开发'),(2, '软件测试');
            select pg_sleep(20);
            select * from {self.tb_name1};
            select * from {self.tb_name2};'''
        sql_msg = self.standby_sh.execut_db_sql(sql_cmd)
        self.logger.info(sql_msg)
        self.assertIn(self.constant.TRIGGER_DROP_SUCCESS_MSG,
                      sql_msg, f'执行失败:{step2}')
        self.assertIn(self.constant.TRIGGER_CREATE_SUCCESS_MSG,
                      sql_msg, f'执行失败:{step2}')
        self.assertIn(self.constant.INSERT_SUCCESS_MSG,
                      sql_msg, f'执行失败:{step2}')
        self.assertIn("1 | 软件开发\n  2 | 软件测试", sql_msg, f'执行失败:{step2}')
        self.assertIn("2 | 开发工程师", sql_msg.splitlines()[-2],
                      f'执行失败:{step2}')

        step3 = "-----step3:备机查看日志打印;expect:日志记录建立连接、" \
                "转发给主机、接受执行结果等libpqsw信息-----"
        self.logger.info(step3)
        shell_cmd = f"ls -t {self.new_log_dir}"
        self.logger.info(shell_cmd)
        shell_msg = self.common.get_sh_result(self.standby_node, shell_cmd)
        logfile = os.path.join(self.new_log_dir, shell_msg.split()[-1])
        self.logger.info(logfile)
        shell_cmd = f"cat {logfile}"
        self.logger.info(shell_cmd)
        shell_msg = self.common.get_sh_result(self.standby_node, shell_cmd)
        self.logger.info(shell_msg)
        self.assertIn('we find new transfer request',
                      shell_msg, f'执行失败:{step3}')
        self.assertIn('Connecting to remote server',
                      shell_msg, f'执行失败:{step3}')
        self.assertIn(f'LOG:  libpqsw', shell_msg, f'执行失败:{step3}')

    def tearDown(self):
        step4 = "-----step4:环境清理，恢复参数;expect:环境清理成功，恢复参数成功-----"
        self.logger.info(step4)
        drop_cmd = f"drop trigger {self.trigger_name} " \
                   f"on {self.tb_name1} cascade;" \
                   f"drop function {self.func_name};" \
                   f"drop table {self.tb_name1},{self.tb_name2};"
        drop_msg = self.standby_sh.execut_db_sql(drop_cmd)
        self.logger.info(drop_msg)
        result1 = self.standby_sh.execute_gsguc(
            'set', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.enable_remote_execute}={self.remote_excute_default}')
        restart_res = self.standby_sh.restart_db_cluster()
        show_remote_excute = self.common.show_param(self.enable_remote_execute)
        result2 = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.log_statement}={self.log_statement_default}')
        result3 = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f"{self.log_directory}='{self.log_dir_default}'", single=True)
        show_log_statement = self.common.show_param(self.log_statement)
        show_log_directory = self.common.show_param(self.log_directory)
        self.logger.info("-----断言teardown-----")
        self.assertIn(self.constant.TRIGGER_DROP_SUCCESS_MSG,
                      drop_msg, f'执行失败:{step4}')
        self.assertIn(self.constant.DROP_FUNCTION_SUCCESS_MSG,
                      drop_msg, f'执行失败:{step4}')
        self.assertIn(self.constant.TABLE_DROP_SUCCESS,
                      drop_msg, f'执行失败:{step4}')
        self.assertTrue(result1, f'执行失败:{step4}')
        self.assertTrue(restart_res, f'执行失败:{step4}')
        self.assertEquals(show_remote_excute, self.remote_excute_default,
                          f'执行失败:{step4}')
        self.assertTrue(result2, f'执行失败:{step4}')
        self.assertTrue(result3, f'执行失败:{step4}')
        self.assertEquals(show_log_statement, self.log_statement_default,
                          f'执行失败:{step4}')
        self.assertEquals(show_log_directory, self.log_dir_default,
                          f'执行失败:{step4}')
        self.logger.info(f"-----{os.path.basename(__file__)} end-----")
